#include <stdio.h>

extern long long int power(int x, unsigned y);

int main(int argc, char* argv[]){
	int x = 3;
	unsigned y = 3;
	long long int res;
	
	res = power(x, y);
	
	printf("El resultado de la potencia es: %lli \n", res);
	
	return 0;
}
